33322020 has 48 divisors (see below), whose sum is σ = 94893120. Its totient is φ = 8734336.

The previous prime is 33321979. The next prime is 33322039. The reversal of 33322020 is 2022333.

It is a super-2 number, since 2×33322020² = 2220714033760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (1976940).

It is a self-describing number.

Almost surely, 2^33322020 is an apocalyptic number.

33322020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33322020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47446560).

33322020 is an abundant number, since it is smaller than the sum of its proper divisors (61571100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33322020 is a wasteful number, since it uses less digits than its factorization.

33322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9484 (or 9482 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 33322020 is about 5772.5228453424. The cubic root of 33322020 is about 321.7933810712.

Adding to 33322020 its reverse (2022333), we get a palindrome (35344353).

The spelling of 33322020 in words is "thirty-three million, three hundred twenty-two thousand, twenty".